The principal disciplines, two of which, osteopathy and chiropractic, are already regulated in their professional activity and education by Acts of Parliament. The others are acupuncture, herbal medicine and homeopathy. Our evidence has indicated that each of these therapies claim to have an individual diagnostic approach and that these therapies are seen as the 'Big 5' by most of the CAM world. (Science and Technology - Sixth Report, House of Lords)